Ice pack



FIG. 1 is a perspective front view of an ice pack;

FIG. 2 is a front elevation view of the ice pack;

FIG. 3 is a rear elevation view of the ice pack;

FIG. 4 is a left elevation view of the ice pack; the right elevation view being a mirror image thereof;

FIG. 5 is a top plan view of the ice pack;

FIG. 6 is a bottom plan view of the ice pack; and,

FIG. 7 is a perspective view of the ice pack in use.

The broken lines shown in the drawings illustrate portions of the ice pack that form no part of claimed design. 

CLAIM The ornamental design for an ice pack, as shown and described. 